<template>
  <!-- 注册页面的整体盒子 -->
  <div class="reg-container">
    <!-- 注册的盒子 -->
    <div class="reg-box">
      <!-- 标题的盒子 -->
      <div class="title-box"></div>
      <!-- 注册的表单区域 -->
      <!-- 表单验证的必填项
        :model="formData" 表单收集数据的对象
        :rules="formRules" 验证规则对象
        :ref="formRef" 兜底校验
       -->
      <el-form :model="formData" :rules="formRules" ref="formRef" style="padding:0 25px">
        <el-form-item prop="username">
          <el-input v-model="formData.username" prefix-icon="el-icon-user" placeholder="请输入用户名"></el-input>
        </el-form-item>
         <el-form-item prop="password">
          <el-input v-model="formData.password" prefix-icon="el-icon-lock" placeholder="请输入密码"></el-input>
        </el-form-item>
         <el-form-item prop="repassword">
          <el-input v-model="formData.repassword" prefix-icon="el-icon-lock" placeholder="请确认密码"></el-input>
        </el-form-item>
         <el-form-item>
          <el-button type="primary" style="width:100%" @click="fn">注册</el-button>
          <el-link type="info">去登陆</el-link>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script>
export default {
  name: 'Reg',
  data() {
     var rePwd = (rule, value, callback) => {
        if (value === '') {
          callback(new Error('请再次输入密码'));
        } else if (value !== this.formData.password) {
          callback(new Error('两次输入密码不一致!'));
        } else {
          callback();
        }
      };
    return {
      formData:{
        username:'',
        password:'',
        repassword:''
      },
      formRules:{
        username:[
          { required:true, message:'请输入用户的名称', trigger:'blur' },
          { pattern:/^[0-9a-zA-Z]{1,10}$/, message:'请输入1~10的字母和数字', trigger:'blur'}
        ],
        password:[
          {required:true, message:'请输入用户密码', trigger:'blur'},
          {pattern:/^\S{6,15}$/, message:'请输入6~15的密码', trigger:'blur'}
          ],
        repassword:[
          // {required:true, message:'请输入确认密码', trigger:'blur'},
         {pattern:/^\S{6,15}$/, message:'请输入6~15的确认密码', trigger:'blur'},
         { validator: rePwd, trigger: 'blur' }
         ]
      }
    }
  },
  methods: {
    fn(){
      //1绑定时间函数
      //2兜底校验
       this.$refs.formRef.validate( async (valid) => {
        console.log(valid);
        //valid:返回值true || false 
          if (!valid) return console.log('校验失败');
           //3发送请求 ,实现注册
           //axios返回值是一个promise实例对象.then 高级 async await
           const {data:res} = await this.$http.post('/api/reg',this.formData)
           console.log('res',res);
           //3.1注册失败,提示用户
           if(res.code !== 0) return this.$message.error(res.message);
          //  3.2注册成功,提示用户
            this.$message.success(res.message);
            //4.跳转到登录页
            this.$router.push('/login')
          
        });
    }
    
  },
}
</script>

<style lang="less" scoped>
.reg-container {
  background: url('../../assets/images/login_bg.jpg') center;
  background-size: cover;
  height: 100%;

  .reg-box {
    width: 400px;
    height: 335px;
    background-color: #fff;
    border-radius: 3px;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);

    .title-box {
      height: 60px;
      background: url('../../assets/images/login_title.png') center no-repeat;
    }
  }
}
</style>